Trombone

Yamaha YBL-421G

Yamaha · YBL-421G Intermediate Bass Trombone

Price: 4.092 EUR – 4.092 EUR

Price history 06.09.2026 19.09.2026
Cheapest seen Most expensive seen

Availability: 0/10 (Very rare)

An intermediate bass trombone with a dual-valve system and 9.5-inch gold brass bell, giving a step-up player the extended low range and larger bore a bass trombone part requires.

Where available? Go to the best price – 4.092 EUR About this instrument

About the Yamaha YBL-421G

Bass trombone differs from tenor not just in pitch range but in bore size and bell diameter, and the YBL-421G's larger bore and 9.5-inch bell are specifically engineered to move the volume of air a bass trombone part demands without the tone becoming thin or unfocused at low volumes. Its dual independent rotor valves extend the instrument's range well below what a single F attachment provides, letting a player reach the low pedal tones bass trombone repertoire regularly calls for.

Gold brass, rather than yellow brass, is used for the bell specifically for a slightly darker, warmer tonal character that suits the bass trombone's role of anchoring a trombone section's low end - a material choice tied directly to the instrument's musical function rather than an arbitrary finish option.

Where to buy

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Sound character of the Yamaha YBL-421G

As a bass trombone with a large 9.5-inch gold brass bell, the YBL-421G sits an octave-plus lower and darker than the tenor models in this list by design; gold brass (with its added copper content versus standard yellow brass) adds warmth and overtone complexity on top of that already darker register, and its dual independent rotor valves let the low range speak clearly without the tubing compromises of a dependent-valve system.

Dark Warm Full-bodied Resonant

Technical data for the Yamaha YBL-421G

Bell 9.5" gold brass
Valves Dual independent rotor
Level Intermediate
Instrument type Bass trombone

Price history for the Yamaha YBL-421G

Cheapest seen: 4.092 EUR  ·  Most expensive seen: 4.092 EUR

4.094 EUR4.047 EUR 06.09.2026 15.09.202616.09.202618.09.2026 19.09.2026
Cheapest seen Most expensive seen

The history of the Yamaha YBL-421G

The YBL-421G gives an advancing player entry into bass trombone with an intermediate-tier dual-valve system and appropriately sized bore and bell.

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